Ch 2 Linear Motion Problems
Ch 2 Linear Motion Problems
Ch 2 Linear Motion Problems
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<strong>Ch</strong> 2 Practice <strong>Problems</strong><br />
1. Find the speed of a baseball that crosses from the front to the back of home plate, a<br />
distance of 0.3 m, in 0.01s.<br />
2. Find your average speed if you run 50m in 10 s.<br />
3. A bus travels 30 km in 1/2 hour. What is its average speed in km/ h?<br />
4. How far will you travel if you maintain an average speed of 10 m/ s for 40 s?<br />
5. A cyclist travels for 30 min with an average speed of 10 km/ h. How far does she travel?
6. What is the acceleration of a bus that goes from rest to a speed of 50 km/ h in 10 s?<br />
7. An apple drops from a tree and hits the ground in 1.5 s. What is its speed just before it hits<br />
the ground?<br />
8. A skydiver junps from a helicopter hovering at high altitude. If there were no air<br />
resistance, how fast would she be falling 12 s after jumping?<br />
9. An apple drops from a tree and hits the ground in 1.4 s. How far does it fall?<br />
10. What vertical distance will a penny dropped from rest fall in 12 s of free fall?
11.What is the instantaneous velocity of a freely falling object 10 s after it is released from<br />
rest? What is its average velocity during this 10 s interval? How far will it fall during this<br />
time?<br />
12. You drop your pencil from your desk, which is 1.0 m above the floor. a) How long does it<br />
take for the pencil to hit the floor? b) How fast is it going just before it hits the floor?
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